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55705302 = 23219162881
BaseRepresentation
bin1101010001111…
…1111011010110
310212211010022100
43110133323112
5103230032202
65305542530
71244326062
oct324377326
9125733270
1055705302
1129498244
12167a4a46
13b705223
147580aa2
154d5541c
hex351fed6

55705302 has 24 divisors (see below), whose sum is σ = 127047960. Its totient is φ = 17591040.

The previous prime is 55705267. The next prime is 55705303. The reversal of 55705302 is 20350755.

It is a super-2 number, since 2×557053022 = 6206161341822408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55705303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81099 + ... + 81782.

It is an arithmetic number, because the mean of its divisors is an integer number (5293665).

Almost surely, 255705302 is an apocalyptic number.

55705302 is an abundant number, since it is smaller than the sum of its proper divisors (71342658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55705302 is a wasteful number, since it uses less digits than its factorization.

55705302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162908 (or 162905 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 55705302 is about 7463.5984618681. The cubic root of 55705302 is about 381.9139403915.

The spelling of 55705302 in words is "fifty-five million, seven hundred five thousand, three hundred two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 162881 325762 488643 977286 1465929 2931858 3094739 6189478 9284217 18568434 27852651 55705302